Function space definition objects for 1D SPDE models.

Create a 1D mesh specification inla.mesh.1d object, that defines a function space for 1D SPDE models.

inla.mesh.1d(loc,
             interval = range(loc),
             boundary = NULL,
             degree = 1,
             free.clamped = FALSE,
             ...)

Arguments

loc

B-spline knot locations.

interval

Interval domain endpoints.

boundary

Boundary condition specification. Valid conditions are c('neumann', 'dirichlet', 'free', 'cyclic'). Two separate values can be specified, one applied to each endpoint.

degree

The B-spline basis degree. Supported values are 0, 1, and 2.

free.clamped

If TRUE, for 'free' boundaries, clamp the basis functions to the interval endpoints.

...

Additional option, currently unused.

Author

Finn Lindgren finn.lindgren@gmail.com